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Contradiction vs Undefined - What's the difference?

contradiction | undefined |

As a noun contradiction

is (uncountable) the act of contradicting.

As an adjective undefined is

lacking a definition or value.

contradiction

English

(wikipedia contradiction)

Noun

  • (uncountable) The act of contradicting.
    • His contradiction of the proposal was very interesting.
  • (countable) A statement that contradicts itself.
    • There is a contradiction in what you say - she can't be both married and single.
  • (countable) a logical incompatibility among two or more elements or propositions
    • Marx believed that the contradictions of capitalism would lead to socialism.
  • (logic, countable) A proposition that is false for all values of its variables.

    • Synonyms

    * (proposition that is false for all values of its variables)

    Antonyms

    * (proposition that is false for all values of its variables) tautology

    Coordinate terms

    * (proposition that is false for all values of its variables) contingency, tautology

    Related terms

    * contradict * contradictory

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined